NJM2218 查看數據表（PDF） - Japan Radio Corporation

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产品描述 (功能)

生产厂家

NJM2218

NTSC-M / PAL CONVERTOR

Japan Radio Corporation  

NJM2218

■ BLOCK EXPLANATIOR

● AFC, M / M BLOCK

3 Pin input is Positive Composite Sync Signal.

2, 4, 5 Pin’s external circuit can lock both oscillation of 15.75kHz and sync signal.

Internal temperature coefficient is 0ppm, so please use low drift external parts, especially the condensor (560pF) of 4

Pin should be 0ppm / °C.

■ TIMING CHART

● SIGNAL DOUBLER BLOCK

3.58 (fsc) × 2 = 7.16MHz generator

1 Pin : 100 to 200mVP-P input pin

18 Pin : about +0.6dB (GAIN) output pin

● SW1 BLOCK

12 Pin : NTSC COLOR SIGNAL (100 to 200mVP-P) input pin

10 Pin : 45deg Phase shift Color Burst Signal output pin

● CONVERT / THROUGH, AMPLIFIER, ATT, SW2 BLOCK

16 Pin : NTSC Color signal (Phase Shift Color Burst) input pin

17 Pin : 7.16MHz (fsc × 2) input pin

M / PAL Signal is output from 13 Pin through the Amplifier and ATT Block.

-4-

[CAUTION]

The specifications on this databook are only

given for information , without any guarantee

as regards either mistakes or omissions. The

application circuits in this databook are

described only to show representative usages

of the product and not intended for the

guarantee or permission of any right including

the industrial rights.

Ver.2004-02-17

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